.morris-hover {
    position:absolute;
    z-index:1000;
}
.morris-hover.morris-default-style {
    border-radius:10px;
    padding:6px;
    color:#666;
    background:rgba(255,255,255,0.8);
    border:solid 2px rgba(230,230,230,0.8);
    font-size:12px;
    text-align:center;
}
.morris-hover.morris-default-style .morris-hover-row-label {
    font-weight:bold;
    margin:0.25em 0;
}
.morris-hover.morris-default-style .morris-hover-point {
    white-space:nowrap;
    margin: 0.1em 0;
}